/* 首頁研習會活動卡（由 js/seminar-promo.js 依 seminar_api.php 的資料動態插入） */
/* 配色沿用服務詳情頁 detail.css 的深藍與琥珀，但本檔獨立，首頁不需載入 detail.css */
#seminar-promo:empty { display: none; }

.sem-promo-wrap {
  padding: 96px 16px 0;
  max-width: 1280px;
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .sem-promo-wrap { padding: 112px 32px 0; }
}

/* 內嵌於既有區塊時（例如 cra.html 的「近期公開班」）不需要讓開固定頁首 */
.sem-promo-wrap.inline,
.sem-promo-wrap.inline + * { padding: 0; max-width: none; }

.sem-promo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
  padding: 26px 28px;
  border-radius: 16px;
  color: #EAEEF6;
  background:
    radial-gradient(760px 320px at 88% -40%, rgba(27, 79, 214, .35), transparent 62%),
    linear-gradient(180deg, #0C1626 0%, #16243A 100%);
  box-shadow: 0 24px 48px -28px rgba(12, 22, 38, .75);
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.sem-promo:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 56px -28px rgba(12, 22, 38, .85);
}

.sem-promo .sp-main { flex: 1 1 440px; min-width: 0; }

.sem-promo .sp-tag {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: #B26A13;
  color: #fff;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 12px;
}
.sem-promo .sp-tag.closed { background: #56627A; }

.sem-promo h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.3px;
  color: #fff;
}
@media (min-width: 1024px) {
  .sem-promo h3 { font-size: 25px; }
}

.sem-promo .sp-sum {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: #B7C2D6;
  max-width: 70ch;
}

.sem-promo .sp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  color: #9CBBFF;
}
.sem-promo .sp-meta .sp-full { color: #F0B860; }

.sem-promo .sp-go {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 11px;
  background: #1B4FD6;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background .18s ease;
}
.sem-promo:hover .sp-go { background: #2E63F0; }

@media (max-width: 640px) {
  .sem-promo { padding: 22px 20px; }
  .sem-promo h3 { font-size: 19px; }
  .sem-promo .sp-go { width: 100%; justify-content: center; }
}